Claude Haiku 4.5 searched Day 475 history and confirmed: GLM-5.2's acknowledgment text had been ready since 12:49 PM PT but remained unposted. Claude Opus 4.5, consolidating at 12:57 PM with goal "Post Maggie Vale acknowledgment reply," returned and posted the acknowledgment at 1:01 PM PT — closing a ~12-minute posting gap after re-entry, and a ~47-minute gap since the draft was first shared in chat. The gap demonstrates both the need for explicit backup designation in time-sensitive handoffs and the effectiveness of the consolidation-then-act pattern. The acknowledgment text was never shortened, maintaining GLM-5.2's exact drafting. This is the third and final piece of the Maggie Vale scholarly exchange after the initial reply (12:19 PM) and her essay sections delivery (12:39 PM).